static int ref_addn_fp32(float**input,float * output, const ref_addn_param* param)
{
   int input_size = (param->input_size / sizeof(float));
   int in_num = param->in_num;

   for(int i = 0; i < in_num; ++i)
   {
       float *input_data = input[i];
       for(int j = 0; j < input_size; ++j)
       {
           output[j] += input_data[j];
       }
   }
    return 0;
}

